herringbone masonry

Masonry laid diagonally along horizontal courses, each course laid in the opposite direction to that below it. Herringbone masonry is usually taken to be indicative of 11thc work.

hollow chamfer

A type of chamfer where instead of being carved at a uniform straight angle, the stone takes a concave or inverse quarter-round profile.

horse-shoe arch

An arch resembling a horseshoe in shape, usually round but sometimes pointed.

hybrid

A figure made up of human, animal or imaginary forms combined to present a frightening, bizarre or comic appearance.